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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
The installation of a SCADA system has several difficulties associated with it. Which of the challenges below would be best defined as one that implements two separate communication systems to ensure redundancy for critical processes?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that accommodates the HART devices point-to-point connection?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that the responding device cannot initiate any communication independently?
Which of the answers below best represents the recommended standard that uses an end device circuit to provide the protocols for error detection?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a input registers would use?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would have incompatibility between different hardware vendors components?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that coverts the analog signals from T/Cs and RTDs to a digital signal?
There are several common components of signal converters. Which one is best described as transforming the input signal to the required output signal?
Which of the answers below best represents the recommended standard that uses a UART chip?
Which of the answers below best represents the required nominal impedance of the data pair cabling in the DeviceNet system?
The various DCS networks are vital to any plant or process operating smoothly. Which of the networks below must faster and more reliable than any of the others?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best be used with analog values that require a significant degree of accuracy?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the guardianship of the process control inputs?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
Redundant capability is critical for any DCS. Which of the redundancies below would allow the system not to be hampered by faults in critical systems and controllers?
There are several types of converters. Which one of the answers below is best known as a "Bridges"?
Which of the components below best represents the letter "B"?
Which of the signal transmission systems below best describes the operation of an Ethernet cord?
Which of the answers below best represents the affect of superimposed voltage or current on a signal?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the NIC interacts with?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
The quality of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the value may be useful, but of diminished quality?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would allow various workstations to receive data from servers and controllers?